window.mt_tut_contents = [
{
  message_tut: [
    'This short tutorial will teach you how to do this HIT.  You get as',
    'many tries as you like, and you don\'t have to do it again once',
    'you pass.  Click "Next" to continue to the next screen.'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/allisonallison_4864053456/c3b913de93ac5dc0de00a9a473a942d4.jpg',
  points: []
},
{
  message_tut: [
    'In this task, you are going to click on points that are on a mirror or',
    'on a transparent surface.  First, we will show you some examples.'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/allisonallison_4864053456/c3b913de93ac5dc0de00a9a473a942d4.jpg',
  points: []
},
{
  message_tut: [
    'These points are on a mirror.'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/allisonallison_4864053456/c3b913de93ac5dc0de00a9a473a942d4.jpg',
  points: [
    {x: 1449, y: 180, opaque: false},
    {x: 1881, y: 258, opaque: false},
    {x: 1680, y: 552, opaque: false},
    {x: 1986, y: 822, opaque: false},
    {x: 2442, y: 642, opaque: false},
    {x: 1911, y: 1086, opaque: false}
  ],
  points_scale: {x: 3072, y: 2048}
},
{
  message_tut: [
    'These points are on a transparent surface.',
    'For this task, both transparent and semi-transparent surfaces count as "transparent".'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/allisonallison_4864053456/c3b913de93ac5dc0de00a9a473a942d4.jpg',
  points: [
    {x: 228, y: 177, opaque: false},
    {x: 654, y: 189, opaque: false},
    {x: 489, y: 582, opaque: false},
    {x: 348, y: 1893, opaque: false},
    {x: 795, y: 1200, opaque: false},
    {x: 1710, y: 1083, opaque: false},
    {x: 1749, y: 1359, opaque: false}
  ],
  points_scale: {x: 3072, y: 2048}
},
{
  message_tut: [
    'All together: these points are either on a mirror or a transparent surface.'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/allisonallison_4864053456/c3b913de93ac5dc0de00a9a473a942d4.jpg',
  points: [
    {x: 1449, y: 180, opaque: false},
    {x: 1881, y: 258, opaque: false},
    {x: 1680, y: 552, opaque: false},
    {x: 1986, y: 822, opaque: false},
    {x: 2442, y: 642, opaque: false},
    {x: 1911, y: 1086, opaque: false},
    {x: 228, y: 177, opaque: false},
    {x: 654, y: 189, opaque: false},
    {x: 489, y: 582, opaque: false},
    {x: 348, y: 1893, opaque: false},
    {x: 795, y: 1200, opaque: false},
    {x: 1710, y: 1083, opaque: false},
    {x: 1749, y: 1359, opaque: false}
  ],
  points_scale: {x: 3072, y: 2048}
},
{
  message_tut: [
    'Note that it is the center of the circle that matters.',
    'The white points are not on a mirror or transparent surface.'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/allisonallison_4864053456/c3b913de93ac5dc0de00a9a473a942d4.jpg',
  points: [
    {x: 1449, y: 180, opaque: false},
    {x: 1881, y: 258, opaque: false},
    {x: 1680, y: 552, opaque: false},
    {x: 1986, y: 822, opaque: false},
    {x: 2442, y: 642, opaque: false},
    {x: 1911, y: 1086, opaque: false},
    {x: 228, y: 177, opaque: false},
    {x: 654, y: 189, opaque: false},
    {x: 489, y: 582, opaque: false},
    {x: 348, y: 1893, opaque: false},
    {x: 795, y: 1200, opaque: false},
    {x: 1710, y: 1083, opaque: false},
    {x: 1749, y: 1359, opaque: false},
    {x: 729, y: 1425},
    {x: 1336, y: 28},
    {x: 2403, y: 49},
    {x: 2490, y: 173},
    {x: 2540, y: 301},
    {x: 2581, y: 703},
    {x: 2148, y: 1316},
    {x: 1296, y: 970, opaque: false},
    {x: 1160, y: 1302}
  ],
  points_scale: {x: 3072, y: 2048}
},
{
  message_tut: [
    'In this photo, mirror or transparent points are highlighted in orange.'
  ],
  photo_url: 'https://d289cku61chvas.cloudfront.net/cache/photos/2013/01/14/johnandchristina_4002677244/d49d321484f6381ae70d07b9cec1db55.jpg',
  points: [
    { x: 0.488133442128354, y: 0.0789046217240997 },
    { x: 0.967324404186537, y: 0.351885028446872 },
    { x: 0.424682888461966, y: 0.159348341030856 },
    { x: 0.665027926992015, y: 0.646882475069665 },
    { x: 0.208058793472985, y: 0.804229610896757 },
    { x: 0.549171056407225, y: 0.173903413604047 },
    { x: 0.830136354079393, y: 0.510610483370857 },
    { x: 0.37242828596128, y: 0.0579924793986536 },
    { x: 0.0308732009455355, y: 0.528817555579521 },
    { x: 0.837618758072803, y: 0.941968488739862 },
    { x: 0.025479276666524, y: 0.026360029832371 },
    { x: 0.417210557763541, y: 0.483845851171151 },
    { x: 0.961792269590393, y: 0.233593957632141 },
    { x: 0.900372353798883, y: 0.441129993267803 },
    { x: 0.944291731322859, y: 0.567862698515559 },
    { x: 0.263172413719778, y: 0.0743527524599752 },
    { x: 0.747080507431488, y: 0.571898090938529 },
    { x: 0.845123449365937, y: 0.121236325559536 },
    { x: 0.97961138968937, y: 0.688341440549653 },
    { x: 0.185290154548324, y: 0.0308168131756482 },
    { x: 0.966968375314856, y: 0.813405496472649 },
    { x: 0.923105654210514, y: 0.0432401449513312 },
    { x: 0.556891662782393, y: 0.701046848793269 },
    { x: 0.842748063593906, y: 0.271911663523235 },
    { x: 0.200658456191733, y: 0.167471685759777 },
    { x: 0.184765654822097, y: 0.963333750027688 },
    { x: 0.931765312800154, y: 0.913978438686883 },
    { x: 0.622101767183192, y: 0.10484239769818 },
    { x: 0.752453925997398, y: 0.316923956400752 },
    { x: 0.134136767262863, y: 0.735712948981897 },
    { x: 0.0244281177942372, y: 0.158163367203772 } ],
    shown_opaque: [ true, true, true, true, true, true, false, true, true, true,
      true, true, true, true, true, true, false, true, true, true, true, true,
      true, false, true, true, true, true, false, true, true ]
},
{
  message_tut: [
    'Note that we also want partially transparent points.',
    'In this photo, mirror or transparent points are highlighted in orange.'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/penmachine_3745739204/c8e48b40a689deb74a2249c403f2c496.jpg',
  points: [
    {x: 470, y: 1646, opaque: false},
    {x: 688, y: 1394, opaque: false},
    {x: 1058, y: 1826, opaque: false},
    {x: 1802, y: 1816, opaque: false},
    {x: 2044, y: 1394, opaque: false},
    {x: 2818, y: 2614, opaque: false},
    {x: 2174, y: 1158, opaque: false},
    {x: 2642, y: 1170, opaque: false},
    {x: 1406, y: 856},
    {x: 796, y: 758},
    {x: 3104, y: 2176},
    {x: 2842, y: 2442},
    {x: 1596, y: 2638}
  ],
  points_scale: {x: 4288, y: 2848}
},
{
  message_tut: [
    'For this task, glossy surfaces like this countertop are not considered mirrors.',
    'None of these points count as a "mirror".'
  ],
  photo_url: 'http://d289cku61chvas.cloudfront.net/cache/photos/2013/01/15/garyjwood_2836114181/c97c755064d7339eaa9816f55cb56cf0.jpg',
  points: [
    {x: 726, y: 1282},
    {x: 1004, y: 1202},
    {x: 984, y: 1324},
    {x: 1254, y: 1396},
    {x: 2026, y: 1358}
  ],
  points_scale: {x: 3504, y: 2336}
},
{
  message_tut: [
    'Now it\'s your turn.',
    'Click on all points that are on a transparent or mirror surface, and then click "Next".'
  ],
  message_correct: [ 'Correct!  The glossy points on the table do not count as a "mirror".', 'Click "Next" to continue.' ],
  message_error: [ 'Try again.  Incorrect points are highlighted in red.' ],
  photo_url: 'https://d289cku61chvas.cloudfront.net/cache/photos/2013/01/13/caseyhelbling_353880559/195d65d0f595df1b26dd3957a1e36a2a.jpg',
  points: [
    { x: 0.301409456851327, y: 0.0439170825936582 },
    { x: 0.140855473170242, y: 0.902610060253131 },
    { x: 0.34963323862183, y: 0.598872914508702 },
    { x: 0.335267086944376, y: 0.241961797389972 },
    { x: 0.536411116812329, y: 0.234956925899858 },
    { x: 0.146220895032677, y: 0.70579745768311 },
    { x: 0.417727051049279, y: 0.127278518437823 },
    { x: 0.154108291305593, y: 0.32826107904862 },
    { x: 0.0448168441489383, y: 0.243718421316691 },
    { x: 0.26705894636051, y: 0.642049676838471 },
    { x: 0.0269930576762173, y: 0.628950230936084 },
    { x: 0.514082205914613, y: 0.646453698689727 },
    { x: 0.335289852652553, y: 0.451466746498408 },
    { x: 0.2682348089086, y: 0.7842561322951 },
    { x: 0.532756948892318, y: 0.459257650551534 },
    { x: 0.490529996889414, y: 0.33973993636328 },
    { x: 0.232456906709787, y: 0.524201688952087 },
    { x: 0.253896826029065, y: 0.403174041256813 },
    { x: 0.145356841358879, y: 0.534749833444134 },
    { x: 0.182319665618141, y: 0.197708070323002 },
    { x: 0.075443230073113, y: 0.447228280304964 },
    { x: 0.428525162703933, y: 0.676676095134384 },
    { x: 0.268655197888759, y: 0.159255168724209 },
    { x: 0.62306429687741, y: 0.379904781916565 },
    { x: 0.422659438053004, y: 0.487886724611416 } ],
    expected_opaque: [ true, true, true, false, false, true, false, false,
      true, true, true, true, true, true, true, false, true, false, true,
      false, true, true, false, true, true ]
},
{
  message_tut: [ 'Click on all points that are on a transparent or mirror surface.' ],
  message_correct: [ 'Correct!  None of the points were transparent or on a mirror.', 'Click "Next" to continue.' ],
  message_error: [ 'Try again.  Incorrect points are highlighted in red.' ],
  photo_url: 'https://d289cku61chvas.cloudfront.net/cache/photos/2013/01/14/alastairtaylor_3926453046/9adf75f8b09b643b878aeec1854aa5a6.jpg',
  points: [
    { x: 0.169179346392658, y: 0.641938837694143 },
    { x: 0.259186274883896, y: 0.201866873976806 },
    { x: 0.132167826380738, y: 0.778100964291741 },
    { x: 0.766210537327903, y: 0.788785056825615 },
    { x: 0.0897273394024702, y: 0.572196280049285 },
    { x: 0.35590055523954, y: 0.066798371254919 },
    { x: 0.283239831935761, y: 0.815712299225088 },
    { x: 0.370537232697188, y: 0.865975549879267 },
    { x: 0.353962927136897, y: 0.740278089983064 },
    { x: 0.629815593005847, y: 0.562375761382933 },
    { x: 0.763187005900089, y: 0.355281237220763 },
    { x: 0.918200951997502, y: 0.804295253465213 },
    { x: 0.913987550261291, y: 0.667801345284336 },
    { x: 0.888968473571064, y: 0.538988855722735 } ],
    expected_opaque: [ true, true, true, true, true, true, true, true, true, true,
      true, true, true, true ]
},
{
  message_tut: [ 'Click on all points that are on a transparent or mirror surface.' ],
  message_correct: [ 'Correct!  Click "Next" to continue.' ],
  message_error: [ 'Try again.  Incorrect points are highlighted in red.' ],
  photo_url: 'https://d289cku61chvas.cloudfront.net/cache/photos/2013/01/11/stratman2_5507160464/cf3bb58c1044d1c69855aa63d5278a56.jpg',
  points: [
    { x: 0.427227581123477, y: 0.933266630748675 },
    { x: 0.530646543243852, y: 0.347157097641566 },
    { x: 0.665915558301919, y: 0.082170839866193 },
    { x: 0.1722486195872, y: 0.520334426633277 },
    { x: 0.538738481200938, y: 0.717078709755695 },
    { x: 0.685229560620362, y: 0.418935173447034 },
    { x: 0.570141546656666, y: 0.0778904571265114 },
    { x: 0.273013560847238, y: 0.0459202297365574 },
    { x: 0.391658464322522, y: 0.817807218731323 },
    { x: 0.501796439610127, y: 0.836714238420036 },
    { x: 0.206393178420098, y: 0.134905181025062 },
    { x: 0.686881798068867, y: 0.737804050021659 },
    { x: 0.859976693808294, y: 0.0499887292131839 },
    { x: 0.556944583944692, y: 0.956945777695736 },
    { x: 0.149225999761297, y: 0.950077411718445 },
    { x: 0.304618157671914, y: 0.362474850637737 },
    { x: 0.629814358088987, y: 0.522850137253715 },
    { x: 0.195350751429555, y: 0.822186156349719 } ],
    expected_opaque: [ true, true, true, true, true, true, true, false, true, true,
      false, true, true, true, true, false, true, true ]
},
{
  message_tut: [ 'Click on all points that are on a transparent or mirror surface.' ],
  message_correct: [ 'Correct!  Click "Next" to continue.' ],
  message_error: [ 'Try again.  Incorrect points are highlighted in red.' ],
  photo_url: 'https://d289cku61chvas.cloudfront.net/cache/photos/2013/01/14/nikijulian_5177280261/9c807915c6bbea46c64200edf1a354c0.jpg',
  points: [
    { x: 0.127855443621859, y: 0.0977367613551953 },
    { x: 0.424197755047002, y: 0.315349826098769 },
    { x: 0.425960693392097, y: 0.183163256641188 },
    { x: 0.22029050404999, y: 0.208927912350801 },
    { x: 0.390760951392784, y: 0.630256331110403 },
    { x: 0.908170680033154, y: 0.271675987217134 },
    { x: 0.397305626507559, y: 0.451554889028375 },
    { x: 0.472485748187844, y: 0.0499229154550618 },
    { x: 0.270439643186209, y: 0.726411205102615 },
    { x: 0.662135325459303, y: 0.195439545810647 },
    { x: 0.823834542533448, y: 0.381218183206414 },
    { x: 0.165761690163002, y: 0.324838499923661 },
    { x: 0.679898076633097, y: 0.681412333076702 },
    { x: 0.23087257275383, y: 0.0354413496431428 },
    { x: 0.496569474962817, y: 0.20439776292674 },
    { x: 0.976502590584804, y: 0.818575269672766 },
    { x: 0.868568203660398, y: 0.486659261130622 },
    { x: 0.0520686642552636, y: 0.282475107944035 },
    { x: 0.564740572735141, y: 0.677708612226556 },
    { x: 0.969292692527669, y: 0.178950357402225 },
    { x: 0.636642542435945, y: 0.921590750924425 },
    { x: 0.92053047259834, y: 0.618724835437484 },
    { x: 0.402141827568872, y: 0.947464541731367 },
    { x: 0.385584410866425, y: 0.0767633144684448 },
    { x: 0.320402675528885, y: 0.209132875441413 },
    { x: 0.550878289287628, y: 0.112597610532719 },
    { x: 0.678395351387333, y: 0.410067871222822 },
    { x: 0.110594998205949, y: 0.582454180250279 },
    { x: 0.81935867469887, y: 0.841886896420124 },
    { x: 0.881128206113339, y: 0.158753773163615 },
    { x: 0.332275317850001, y: 0.533861497963726 },
    { x: 0.693692948478012, y: 0.0442172934291954 },
    { x: 0.750174842057917, y: 0.295115898794317 },
    { x: 0.704381877425658, y: 0.84048937016082 },
    { x: 0.974077997885313, y: 0.405468490479377 },
    { x: 0.727570143030584, y: 0.967596248934692 },
    { x: 0.275765886398037, y: 0.360202421131171 },
    { x: 0.756911779778661, y: 0.743664123112222 },
    { x: 0.0936933846026343, y: 0.461654183618097 },
    { x: 0.0275901190960312, y: 0.0341716636298757 },
    { x: 0.185581545600199, y: 0.668176849493459 },
    { x: 0.585234258842268, y: 0.499003889013069 },
    { x: 0.493332418525672, y: 0.526237974671116 },
    { x: 0.621021120519109, y: 0.787235106858696 },
    { x: 0.181241898587717, y: 0.482013589590223 },
    { x: 0.881715160695774, y: 0.933470156662812 },
    { x: 0.686495885007162, y: 0.51730912149187 },
    { x: 0.594442944104042, y: 0.321359322212243 },
    { x: 0.416753601624831, y: 0.762623617294353 },
    { x: 0.905685538584562, y: 0.748137539809676 },
    { x: 0.548823604911063, y: 0.871673534141226 },
    { x: 0.24028188486409, y: 0.56990720987762 },
    { x: 0.0214569186176175, y: 0.16619789336481 } ],
    expected_opaque: [ false, true, true, false, true, true, true, true, true, true,
      true, false, true, true, false, true, true, true, true, true, true, true,
      true, true, false, true, true, true, true, true, true, true, true, true,
      true, true, false, true, true, true, true, true, true, true, false, true,
      true, true, true, true, true, true, true ]
},
{
  message_tut: [ 'Note that you can zoom in with the scroll wheel.', 'Click on all points that are on a transparent or mirror surface.' ],
  message_correct: [ 'Correct!  Click "Next" to continue.' ],
  message_error: [ 'Try again.  Incorrect points are highlighted in red.', 'Note that it is the center of the circle that matters.' ],
  photo_url: 'https://d289cku61chvas.cloudfront.net/cache/photos/2013/01/11/ralphaverbuch_3611050385/c8971f09a95b4c0d7997e90beb9bb1a5.jpg',
  points: [
    { x: 0.814761427649346, y: 0.0294918812457897 },
    { x: 0.898455459605593, y: 0.519911296176689 },
    { x: 0.853750921025411, y: 0.671757956684299 },
    { x: 0.76797880909039, y: 0.521223732937759 },
    { x: 0.657689789403698, y: 0.968515834708754 },
    { x: 0.910139040253742, y: 0.0308869269798016 },
    { x: 0.904039626149188, y: 0.394718163953181 },
    { x: 0.804051748230106, y: 0.942106258764075 },
    { x: 0.852155780463803, y: 0.79428548594742 },
    { x: 0.712462351841731, y: 0.705217649724269 },
    { x: 0.753957780470272, y: 0.126134460024674 },
    { x: 0.962301404035996, y: 0.135069907162577 },
    { x: 0.79442795323742, y: 0.402146882784774 },
    { x: 0.891453495332151, y: 0.950677623925145 },
    { x: 0.971584996479331, y: 0.75842014832246 },
    { x: 0.793972802581267, y: 0.244557537425918 },
    { x: 0.945881540446576, y: 0.272815993646989 },
    { x: 0.868375888388626, y: 0.196433324154153 },
    { x: 0.72873725015113, y: 0.897854087662031 },
    { x: 0.977505305577504, y: 0.64465016349394 } ],
    expected_opaque: [ true, true, true, true, true, true, true, true, true, true,
      true, true, true, true, true, false, true, false, true, true ]
},
{
  message_tut: [ 'Click on all points that are on a transparent or mirror surface.' ],
  message_correct: [ 'Correct!  Click "Next" to continue.' ],
  message_error: [ 'Try again.  Incorrect points are highlighted in red.', 'Remember to select both transparent and mirror points.' ],
  photo_url: 'https://d289cku61chvas.cloudfront.net/cache/photos/2013/01/13/28685147N04_5598133507/7000980e1b824693a9ce46749e42f1fd.jpg',
  points: [
    {x: 0.157199838938048, y: 0.7734934434318},
    {x: 0.0398388079115439, y: 0.127301596439025},
    {x: 0.889169106835039, y: 0.664778666838426},
    {x: 0.718349480355961, y: 0.733480503797775},
    {x: 0.137044601552791, y: 0.907349823090879},
    {x: 0.754046560078817, y: 0.869467765338838},
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  message_correct: [ 'Correct!  Click "Next" to continue.' ],
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